-
Type: Bug
-
Resolution: Duplicate
-
Priority: Minor - P4
-
None
-
Affects Version/s: None
-
Component/s: Querying
-
None
-
Query
-
ALL
The documentation says that cursor.batchSize() takes negative arguments.
"3.2.6"
> db.version() 3.2.6 > version() 3.2.6 > db.testcol.find().batchSize(-5) Error: error: { "waitedMS" : NumberLong(0), "ok" : 0, "errmsg" : "batchSize value must be non-negative", "code" : 2 } > db.testcol1.explain().find().batchSize(-5) 2016-06-14T13:56:00.545+1000 E QUERY [thread1] Error: explain failed: { "ok" : 0, "errmsg" : "batchSize value must be non-negative", "code" : 2 } : _getErrorWithCode@src/mongo/shell/utils.js:25:13 throwOrReturn@src/mongo/shell/explainable.js:31:1 constructor/this.finish@src/mongo/shell/explain_query.js:176:24 constructor/this.shellPrint@src/mongo/shell/explain_query.js:215:26 shellPrintHelper@src/mongo/shell/utils.js:489:1 @(shell2):1:1
"3.0.12"
> db.testcol.find().batchSize(-10) { "_id" : ObjectId("575f809faa700ec9ca969857"), "a" : 0, "b" : "text" } { "_id" : ObjectId("575f809faa700ec9ca969858"), "a" : 1, "b" : "text" } { "_id" : ObjectId("575f809faa700ec9ca969859"), "a" : 2, "b" : "text" } { "_id" : ObjectId("575f809faa700ec9ca96985a"), "a" : 3, "b" : "text" } { "_id" : ObjectId("575f809faa700ec9ca96985b"), "a" : 4, "b" : "text" } { "_id" : ObjectId("575f809faa700ec9ca96985c"), "a" : 5, "b" : "text" } { "_id" : ObjectId("575f809faa700ec9ca96985d"), "a" : 6, "b" : "text" } { "_id" : ObjectId("575f809faa700ec9ca96985e"), "a" : 7, "b" : "text" } { "_id" : ObjectId("575f809faa700ec9ca96985f"), "a" : 8, "b" : "text" } { "_id" : ObjectId("575f809faa700ec9ca969860"), "a" : 9, "b" : "text" } > db.testcol.explain().find().batchSize(-10) 2016-06-14T13:58:06.721+1000 E QUERY Error: explain failed: { "ok" : 0, "errmsg" : "batchSize value must be positive", "code" : 2 } at Error (<anonymous>) at Function.throwOrReturn (src/mongo/shell/explainable.js:34:19) at constructor.finish (src/mongo/shell/explain_query.js:188:36) at constructor.shellPrint (src/mongo/shell/explain_query.js:228:31) at shellPrintHelper (src/mongo/shell/utils.js:396:18) at (shell2):1:19 at src/mongo/shell/explainable.js:34
I am not sure if which behaviour is desired, if it's the one we have with 3.2 please move this ticket into DOCS.
- duplicates
-
SERVER-21814 In "commands" readMode, shell should translate negative batchSize to positive batchSize + singleBatch
- Closed